/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Sequencer/MovieSceneControlRigSpaceChannel.h
Get key information pertaining to all keys that exist within the specified range
virtual void GetKeys ( const [TRange](API\Runtime\Core\Math\TRange)< [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) > & WithinRange, [TArray](API\Runtime\Core\Containers\TArray)< [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) > * OutKeyTimes, [TArray](API\Runtime\Core\Containers\TArray)< [FKeyHandle](API\Runtime\Engine\Curves\FKeyHandle) > * OutKeyHandles )